/*
 * Copyright (c) 2009, Hamish Morgan. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the University of Sussex nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package locusts.common;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import locusts.lib.ObjectIdFactory;

/**
 *
 * @author Hamish Morgan
 */
public abstract class AbstractUniqueObject implements Serializable, Cloneable,
        UniqueObject {

    private int id;

    public AbstractUniqueObject(Class<? extends Object> c) {
        this.id = ObjectIdFactory.nextIdFor(c);
    }

    public AbstractUniqueObject() {
        this.id = ObjectIdFactory.nextIdFor(this.getClass());
    }

    protected AbstractUniqueObject(final int id) {
        this.id = id;
    }

    protected AbstractUniqueObject(AbstractUniqueObject other) {
        this.id = other.id;
    }
    
    private void writeObject(ObjectOutputStream out) throws IOException {
        out.writeInt(id);
    }

    private void readObject(ObjectInputStream in) throws IOException,
            ClassNotFoundException {
        id = in.readInt();
    }

    public final int getId() {
        return id;
    }

    @Override
    public final boolean equals(Object obj) {
        if (obj == null) return false;
        if (getClass() != obj.getClass()) return false;
        final AbstractUniqueObject other = (AbstractUniqueObject) obj;
        if (this.id != other.id) return false;
        return true;
    }

    @Override
    public final int hashCode() {
        return this.id;
    }

    /**
     * Player #id (Name:, Crops:, Score: )
     * @return
     */
    @Override
    public String toString() {
        final StringBuffer buf = new StringBuffer();
        buf.append("UniqueObject #");
        buf.append(getId());
        return buf.toString();
    }
}
